diff --git a/app/controllers/course/admission.php b/app/controllers/course/admission.php
index 1d6dd298801536a355ae963fdd2d43ad0f64a6a6..518be7ff4b9f7b6b6bc424b12816401e77411351 100644
--- a/app/controllers/course/admission.php
+++ b/app/controllers/course/admission.php
@@ -121,6 +121,7 @@ class Course_AdmissionController extends AuthenticatedController
         CSRFProtection::verifyUnsafeRequest();
         PageLayout::setTitle(_('Anmeldemodus ändern'));
         $request = null;
+        $question = null;
         if (Request::submitted('change_admission_prelim')) {
             $request = Request::extract('admission_prelim int, admission_binding submitted, admission_prelim_txt');
             $request = array_diff_key($request, array_filter($this->is_locked));